/Engine/Plugins/Runtime/XRBase/Source/XRBase/Public/MotionTrackedDeviceFunctionLibrary.h
Disable tracking for all controllers associated with the specified player.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="Input|MotionTracking") static void DisableMotionTrackingOfControllersForPlayer ( int32 PlayerIndex )